<template>
  <div class="app-container">
    <!-- 查询表单 -->
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="24">
            <el-form-item label="角色名称">
              <el-input v-model="sysRole.roleName" style="width: 100%" placeholder="角色名称" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex">
          <!-- 工具条 -->
          <el-button type="primary" icon="el-icon-search" size="mini" :loading="loading" @click="fetchData()">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
          <el-button type="success" icon="el-icon-plus" size="mini" @click="add" :disabled="$hasBP('bnt.sysRole.add')  === false">添 加</el-button>
          <el-button class="btn-add" size="mini" @click="batchRemove()">批量删除</el-button>
        </el-row>
      </el-form>
    </div>
    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;"
      @selection-change="handleSelectionChange"
    >

      <el-table-column type="selection" />

      <el-table-column
        label="序号"
        width="70"
        align="center"
      >
        <template v-slot="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="roleName" label="角色名称" />
      <el-table-column prop="roleCode" label="角色编码" />
      <el-table-column prop="createTime" label="创建时间" width="160" />
      <el-table-column label="操作" width="200" align="center">
        <template v-slot="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini" title="修改" @click="edit(scope.row.id)" />
          <el-button type="danger" icon="el-icon-delete" size="mini" title="删除" @click="removeDataById(scope.row.id)" />
          <el-button type="warning" icon="el-icon-baseball" size="mini" @click="showAssignAuth(scope.row)" title="分配权限"/>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />
    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
      <el-form ref="dataForm" :model="sysRole" label-width="150px" size="small" style="padding-right: 40px;">
        <el-form-item label="角色名称">
          <el-input v-model="sysRole.roleName" />
        </el-form-item>
        <el-form-item label="角色编码">
          <el-input v-model="sysRole.roleCode" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button size="small" icon="el-icon-refresh-right" @click="cancel">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" size="small" @click="saveOrUpdate()">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
// 引入定义接口js文件
import api from '@/api/system/sysRole'

export default {
  // vue代码结构
  // 初始值
  data() {
    return {
      list: [], // 角色列表
      page: 1, // 当前页
      limit: 10, // 每页显示记录数
      total: 0, // 总记录数
      searchObj: {}, // 条件对象

      selections: [], // 多个复选框值
      sysRole: {}, // 封装表单角色数据
      dialogVisible: false// 是否弹框
    }
  },
  created() { // 渲染之前执行
    this.fetchData()
  },
  methods: { // 操作方法
    // 跳转分配菜单页面
    showAssignAuth(row) {
      this.$router.push('/system/assignAuth?id=' + row.id + '&roleName=' + row.roleName)
    },
    // 选择复选框，把复选框所在行内容传递
    handleSelectionChange(selection) {
      this.selections = selection
      console.log(this.selections)
    },
    // 批量删除
    batchRemove() {
      // 判断
      if (this.selections.length === 0) {
        this.$message.warning('请选择要删除的记录！')
        return
      }
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // [1,2,3]
        var idList = []
        // 选择复选框数据在数组里面 this.selections
        this.selections.forEach(item => {
          var id = item.id
          idList.push(id)
        })
        return api.batchRemove(idList)
      }).then(response => {
        this.$message.success(response.message)
        this.fetchData()
      })
    },
    // 点击修改，弹出框，根据id查询数据显示
    edit(id) {
      // 弹出框
      this.dialogVisible = true
      // 根据id查询
      this.fetchDataById(id)
    },
    // 根据id查询
    fetchDataById(id) {
      api.getById(id)
        .then(response => {
          this.sysRole = response.data
        })
    },
    // 点击添加弹出框
    add() {
      this.dialogVisible = true
    },
    // 添加或者修改
    saveOrUpdate() {
      // 根据id判断
      if (!this.sysRole.id) { // 添加
        this.save()
      } else { // 修改
        this.update()
      }
    },
    save() { // 添加
      api.saveRole(this.sysRole)
        .then(response => {
          // 提示
          this.$message.success(response.message || '操作成功')
          // 关闭弹框
          this.dialogVisible = false
          // 刷新页面
          this.fetchData()
        })
    },
    update() { // 修改
      api.updateById(this.sysRole)
        .then(response => {
          // 提示
          this.$message.success(response.message || '操作成功')
          // 关闭弹框
          this.dialogVisible = false
          // 刷新页面
          this.fetchData()
        })
    },
    // 条件分页查询
    fetchData(current = 1) {
      this.page = current
      api.getPageList(this.page, this.limit, this.searchObj)
        .then(response => {
          this.list = response.data.records
          this.total = response.data.total
        })
    },
    cancel() {
      this.dialogVisible = false
      this.fetchData(this.page)
      this.sysRole = {}
    },
    resetData() {
      console.log('重置查询表单')
      this.searchObj = {}
      this.fetchData()
    },
    // 删除
    removeDataById(id) {
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 调用
        return api.removeById(id)
      }).then(response => {
        // 刷新页面
        this.fetchData()
        // 提示信息
        this.$message.success(response.message || '删除成功')
      })
    }
  }
}
</script>
